Home / 18,134.42-25,019.08-11,850.44

Finding the Fourth Proportional to 18,134.42, 25,019.08 and 11,850.44

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Solution

The fourth proportional to 18,134.42, 25,019.08 and 11,850.44 is: 16,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.42 : 25,019.08 = 11,850.44 : x
  2. Step 2: Convert to fraction form
    18,134.42/25,019.08 = 11,850.44/x
  3. Step 3: Cross multiply
    18,134.42x = 25,019.08 × 11,850.44
  4. Step 4: Simplify right side
    18,134.42x = 296,486,951.67
  5. Step 5: Solve for x
    x = 296,486,951.67/18,134.42
  6. Step 6: Final answer
    x = 16,349.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.